Underground anti-explosion smoke generator

Abstract

The utility model relates to an underground anti-explosion smoke generator, which comprises a heating vaporizing chamber, a first pump body, a conveying pipeline and a smoke nozzle, and is technically characterized in that the conveying pipeline is a telescopic corrugated pipe, and the lower end of the telescopic corrugated pipe is provided with a lower flange plate connected with an outlet flange of the first pump body; the upper end of the telescopic corrugated pipe is provided with an upper flange connected with an inlet flange of the smoke nozzle, a longitudinal electric push rod is arranged between the edges of the upper flange and the lower flange, an annular smoke suction cavity is fixed to the upper surface of the inlet flange of the smoke nozzle, the top of the annular smoke suction cavity is open, and the lower portion of the annular smoke suction cavity is provided with a side through pipe. The edge of the upper flange plate is provided with an abduction supporting plate corresponding to the second pump body, and the lower surface of the abduction supporting plate is provided with a filter communicated with an outlet of the second pump body. The multifunctional smoke generator solves the problem that an existing smoke generator is single in function, has the smoke emitting function and the smoke absorbing function, and guarantees the working environment of workers when underground ventilation equipment breaks down.

Description

Technical Field

[0001] This utility model relates to the technical field of downhole smoke testing equipment, specifically to an downhole explosion-proof smoke generator. Background Technology

[0002] Due to the long tunnels in coal mines, ventilation is a critical issue that must be addressed. Poor ventilation can easily lead to the accumulation of harmful fumes and even explosions. Therefore, multiple smoke sensors are typically installed in underground tunnels to alert workers to promptly address any malfunctions and ensure proper ventilation when smoke concentration reaches a set limit.

[0003] Based on the above, in order to test the effectiveness of the smoke sensor, it is necessary to conduct smoke tests in the mine regularly. This involves using a smoke generator to produce smoke in the underground roadway to test whether the smoke sensor is working properly and to eliminate potential safety hazards.

[0004] However, existing smoke generators basically only have the single function of generating smoke, and when the ventilation equipment malfunctions, the emitted smoke cannot be dissipated in time. Utility Model Content

[0005] The purpose of this invention is to provide a reasonably structured and reliable underground explosion-proof smoke generator, which solves the problem of the single function of existing smoke generators. It has the functions of emitting and absorbing smoke, and protects the working environment of workers when the underground ventilation equipment fails.

[0006] The technical solution of this utility model is:

[0007] An explosion-proof smoke generator for underground wells includes a heating vaporization chamber, a first pump body communicating with the top of the heating vaporization chamber, a delivery pipeline connected to the outlet of the first pump body, and a smoke nozzle located at the end of the delivery pipeline. The key technical features are: the delivery pipeline is a retractable corrugated pipe; the lower end of the retractable corrugated pipe has a lower flange connected to the outlet flange of the first pump body; the upper end of the retractable corrugated pipe has an upper flange connected to the inlet flange of the smoke nozzle; two longitudinal electric push rods are symmetrically arranged between the edges of the upper and lower flanges; an annular smoke chamber concentric with the smoke nozzle is fixed on the upper surface of the inlet flange of the smoke nozzle; the annular smoke chamber has an opening at the top and a side passage pipe at the bottom, the end of which communicates with a second pump body; an outward support plate corresponding to the second pump body is provided on the edge of the upper flange; and a filter communicating with the outlet of the second pump body is provided on the lower surface of the outward support plate.

[0008] The aforementioned underground explosion-proof smoke generator has a support frame at the bottom of the heating and vaporization chamber, and a set of casters at the bottom of the support frame.

[0009] The aforementioned downhole explosion-proof smoke generator has a filter screen installed at the inner end of the side passage pipe.

[0010] The aforementioned downhole explosion-proof smoke generator has a control valve at the inlet of the smoke nozzle, and the smoke nozzle has multiple nozzles facing different directions.

[0011] The aforementioned underground explosion-proof smoke generator has a push handle on the side of the support for easy movement.

[0012] The beneficial effects of this utility model are:

[0013] 1. This invention uses a smoke nozzle to emit smoke to test the functionality of a smoke sensor. If the ventilation equipment malfunctions and cannot disperse the smoke in time, the second pump is activated. The smoke is drawn in through the upper opening of the annular smoke chamber, then through the side pipe of the annular smoke chamber and the second pump to the filter. After being purified by the filter to remove harmful substances, the smoke is discharged, achieving the purpose of absorbing and purifying the smoke. Therefore, this invention combines the functions of emitting and absorbing smoke, solving the problem of the single function of existing smoke generators and ensuring the working environment of personnel when underground ventilation equipment malfunctions.

[0014] 2. The position of the annular smoke chamber can be raised by a longitudinal electric push rod to achieve the purpose of quickly absorbing and purifying smoke. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of this utility model;

[0016] Figure 2 yes Figure 1 Enlarged view of section A.

[0017] In the diagram: 1. Smoke nozzle, 2. Annular smoke chamber, 3. Upper flange, 4. Control valve, 5. Longitudinal electric push rod, 6. Lower flange, 7. Heating vaporization chamber, 8. Support, 9. Caster wheel assembly, 10. First pump body, 11. Transmission pipeline, 12. Filter screen, 13. Side pipe, 14. Second pump body, 15. Outward support plate, 16. Filter. Detailed Implementation

[0018] The present invention will be described in detail with reference to the accompanying drawings.

[0019] like Figure 1 , Figure 2 As shown, the downhole explosion-proof smoke generator includes a heating vaporization chamber 7, a first pump body 10 connected to the top of the heating vaporization chamber 7, a transmission pipeline 11 connected to the outlet of the first pump body 10, and a smoke nozzle 1 located at the end of the transmission pipeline 11.

[0020] The conveying pipeline 11 is a telescopic corrugated pipe. The lower end of the telescopic corrugated pipe is provided with a lower flange 6 connected to the outlet flange of the first pump body 10, and the upper end of the telescopic corrugated pipe is provided with an upper flange 3 connected to the inlet flange of the smoke nozzle 1. Two longitudinal electric push rods 5 are symmetrically arranged between the edges of the upper flange 3 and the lower flange 6.

[0021] The inlet flange of the smoke nozzle 1 has an annular smoke chamber 2 fixed on its upper surface, concentric with the smoke nozzle. The annular smoke chamber 2 has an opening at the top and a side passage pipe 13 at the bottom, with the end of the side passage pipe 13 communicating with the second pump body 14. The edge of the upper flange 3 has an outward support plate 15 corresponding to the second pump body 14, and the lower surface of the outward support plate 15 has a filter 16 communicating with the outlet of the second pump body 14. In this embodiment, the inner end of the side passage pipe 13 is provided with a filter screen 12.

[0022] In this embodiment, a support 8 is provided at the bottom of the heating vaporization chamber 7, and a set of casters 9 is provided at the bottom of the support 8. A control valve 4 is provided at the inlet of the smoke nozzle 1, and the smoke nozzle 1 has multiple nozzles facing different directions. A push handle is provided on the side of the support 8 for easy movement.

[0023] Working principle:

[0024] 1. Start the first pump body 10 to guide the oil fumes in the heating vaporization chamber 7 to the transmission pipeline 11, and then discharge them from the transmission pipeline 11 to the smoke nozzle 1. The smoke is then sprayed through each nozzle into the space where the smoke sensor is located in the underground roadway to detect whether the smoke sensor is working properly.

[0025] 2. If the smoke does not dissipate or dissipates slowly after the test is completed, the two longitudinal electric push rods 5 can be activated to raise the height of the upper flange 3, thereby raising the position of the annular smoke chamber 2 to approach the smoke. The second pump body 14 is then activated, and the smoke is drawn in through the upper opening of the annular smoke chamber 2, and then led to the filter 16 through the side pipe 13 of the annular smoke chamber 2 and the second pump body 14. After being purified by the filter 16, the smoke is discharged, thus achieving the purpose of absorbing and purifying the smoke.

[0026] 3. The filter screen 12 pre-filters particulate impurities to avoid damaging the second pump body 14.

[0027] The embodiments of this utility model have been described in detail above, but the content described is only a preferred embodiment of this utility model and should not be considered as limiting the scope of implementation of this utility model. All equivalent changes and improvements made within the scope of this utility model should still fall within the scope of this utility model.

Claims

1. A downhole explosion-proof smoke generator, comprising a heating vaporization chamber, a first pump body communicating with the top of the heating vaporization chamber, a delivery pipeline connected to the outlet of the first pump body, and a smoke nozzle disposed at the end of the delivery pipeline, characterized in that: The conveying pipeline is a telescopic corrugated pipe. The lower end of the telescopic corrugated pipe is provided with a lower flange that connects to the outlet flange of the first pump body. The upper end of the telescopic corrugated pipe is provided with an upper flange that connects to the inlet flange of the smoke nozzle. Two longitudinal electric push rods are symmetrically arranged between the edges of the upper flange and the lower flange. An annular smoke chamber concentric with the smoke nozzle is fixed on the upper surface of the inlet flange of the smoke nozzle. The top of the annular smoke chamber is open, and a side passage pipe is provided at the bottom, with the end of the side passage pipe communicating with the second pump body. The edge of the upper flange is provided with an outward support plate corresponding to the second pump body. The lower surface of the outward support plate is provided with a filter that communicates with the outlet of the second pump body.

2. The downhole explosion-proof smoke generator according to claim 1, characterized in that: The bottom of the heating vaporization chamber is equipped with a support, and the bottom of the support is equipped with a set of casters.

3. The downhole explosion-proof smoke generator according to claim 1, characterized in that: The inner end of the side passage pipe is equipped with a filter screen.

4. The downhole explosion-proof smoke generator according to claim 1, characterized in that: The smoke nozzle is equipped with a control valve at its inlet, and the smoke nozzle has multiple nozzles facing different directions.

5. The downhole explosion-proof smoke generator according to claim 2, characterized in that: The support has a pusher on the side.

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